If it's your standard model '95 in .30 caliber or larger; ANY cartridge will be fine, just use a soft nose (presuming that round is legal in your state) and keep the range under 200 yards.
The Marlin model 1895gs with serial 98025023 was manufactured in the early 1900's. models, Models such 1891 and 1893. Today known as Models 39 and 336 respectively, they are the oldest shoulder arm designs in the world still being produced.
Should be marked on the barrel. If not, take it to a gunsmith.
Glock model
Look on the barrel, it will be marked as to the proper ammunition.
A Marlin model 60 should only be shot with 22 long rifle ammunition. It should be marked on the barrel or receiver and may say 22LR.
With the right ammunition, a 12 gauge should be able to take any animal on the planet.
.30-30 ONLY Other than that, I'd stick with good quality ammo...
.22
No.
yes
Depends on what ammunition it is chambered for.
30-06